The following is the ORA-16594 error message, you can learn the cause and solution of the Oracle database error.

ORA-16594 string process discovered that DMON process does not exist

Cause: The Data Guard NetSlave (NSV*) processes discovered that the Data Guard broker process (DMON) is not running.

Solution: Check the Data Guard console log and DMON process trace file to determine why the DMON process is missing.


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